HAP Trading, LLC - SURFACE ONCOLOGY INC ownership

SURFACE ONCOLOGY INC's ticker is SURF and the CUSIP is 86877M209. A total of 92 filers reported holding SURFACE ONCOLOGY INC in Q1 2021. The put-call ratio across all filers is 1.45 and the average weighting 0.1%.

Quarter-by-quarter ownership
HAP Trading, LLC ownership history of SURFACE ONCOLOGY INC
ValueSharesWeighting
Q4 2022$0
-100.0%
17,500
-11.2%
0.00%
Q3 2022$1,000
-75.0%
19,700
-22.7%
0.00%
Q2 2022$4,000
+33.3%
25,500
+43.3%
0.00%
Q1 2022$3,000
-92.3%
17,800
-46.9%
0.00%
-100.0%
Q4 2021$39,000
+95.0%
33,500
+66.7%
0.00%0.0%
Q3 2021$20,000
+185.7%
20,100
-35.4%
0.00%
Q2 2021$7,000
-83.7%
31,100
+9.1%
0.00%
-100.0%
Q1 2021$43,00028,5000.00%
Other shareholders
SURFACE ONCOLOGY INC shareholders Q1 2021
NameSharesValueWeighting ↓
Atlas Venture Associates IX, LLC 2,945,453$2,061,8179.68%
DAFNA Capital Management LLC 1,100,000$768,6800.23%
TANG CAPITAL MANAGEMENT LLC 1,300,000$908,4400.14%
EcoR1 Capital, LLC 3,082,959$2,154,3720.07%
ARK Investment Management 5,496,146$3,840,7070.03%
Forefront Analytics, LLC 61,156$42,7370.02%
GSA CAPITAL PARTNERS LLP 230,292$1610.02%
CORNERCAP INVESTMENT COUNSEL INC 113,219$79,1170.01%
Knights of Columbus Asset Advisors LLC 157,769$110,2490.01%
Nikko Asset Management Americas, Inc. 999,026$649,3670.01%
View complete list of SURFACE ONCOLOGY INC shareholders